Isao Yukawa

Person

  • Odawara, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cutter

    • Patent number 4,872,289
    • Issue date Oct 10, 1989
    • Disco Abrasive Systems, Ltd.
    • Isao Yukawa
    • B28 - WORKING CEMENT, CLAY, OR STONE